search for: ds21554

Hola! I've a Digium E1 card, zaptel recognizes it as (loading the module with debug=1) Setting up DMA (write/read = 321b2000/321b2200) Controller version: 43 Framer: DS21554, Revision: 5 (E1) Found a Wildcard: Digium Wildcard E100P E1/PRA Using CCS/HDB3 coding/framing with CRC4 120 Ohms Calling startup (flags is 4099) Started DMA Got interrupt: 0x0005 /etc/zaptel.conf: span=1,1,0,ccs,hdb3,crc4 bchan=1-15,17-31 dchan=16 /etc/asterisk/zapata.conf: [channels] context=...

..."Far-End SES" on their side) Since the circuit appeared to work fine, calls went through, and the crc counters on our side was zero, it was impossible we were getting that many errors and something must have been wrong with our handling of the E-bit signal. I've come across the DS21554 framer documentation and i've seen that it has a flag for enabling the E-bit generation in the "TCR2" register and that the wct1xxp.c wasn't setting it. So i tried this small patch and the telco is perfectly happy with it, now, the E-bit error has disappeared. Since there h...